Nashua Weather Forecast

    • 50
    • 71

    Chance Rain Showers

    • 47
    • 65

    Chance Rain Showers

    • 50
    • 73

    Partly Sunny

    • 53
    • 80

    Mostly Sunny

    • 54
    • 82

    Mostly Sunny

    • 55
    • 84

    Mostly Sunny

Today 19 Sep Central and Southern Valley

Cloudy. Highs in the upper 60s. Northeast wind 10 to 15 Mph.

Tonight 19 Sep Central and Southern Valley

Mostly cloudy. A chance of Showers after midnight. Lows around 50. East wind 10 to 15 Mph. Chance of rain 30 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Nashua Temperature Statistics

September Temperature

Glasgow, Glasgow International Airport (13 miles)

  • Lowest 12 September, 2026

    42.7 °F

  • Average September

    63.8 °F

  • Highest 4 September, 2026

    93.7 °F

Climate (2021–2026)

Glasgow, Glasgow International Airport (13 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    34.3 °F

  • Average 2021–2026

    46 °F

  • Average High 2021–2026

    57.8 °F
Get WillyWeather+ to remove ads